Use -z flag to tar. Best way forward for now.
Add gzip dep for windows
Include bsdtar for windows
a note about submodules
Just depend on node-uuid, don't include it.
Since this isn't required for the npm self-install process, don't bundle
it or load as a git submodule. It's only necessary for the adduser
Cleaned up license
Closes GH-564 Use the MIT node-uuid lib instead of OSLv3 uuid.js.